Shares of the following companies are having unusual moves in U.S. trading this morning.

AngioDynamics Inc. (ANGO US) dropped 7.1 percent to $14.15 after sliding as much as 10 percent, the most intraday since July 2009. The maker of devices to treat cancer and heart disease said in a preliminary statement that it earned 8 cents a share at most in the fiscal first quarter. Analysts, on average, estimated profit of 11 cents, according to a Bloomberg survey.

China Agritech Inc. (CAGC US) slumped 17 percent to $13.12 after dropping 18 percent for the biggest intraday decline since May 6. The fertilizer producer was reduced to “sell” from “neutral” by Chardan Capital Markets.

Green Mountain Coffee Roasters Inc. (GMCR US) gained 8.2 percent to $33.76 for the second-biggest advance in the Russell 1000 Index. The seller of Keurig single-cup coffee brewers said it plans to increase prices by as much as 15 percent, starting Oct. 11.

Palo Alto-based Hewlett-Packard Co. (HPQ US) fell the most in the Dow Jones Industrial Average, sinking 2.2 percent to $39.06. The world’s largest personal-computer was cut to “neutral” from “buy” at UBS AG. The brokerage also downgraded Intel Corp. (INTC US), and shares of the world’s largest chipmaker slipped 1.7 percent to $17.82.

UBS also reduced Western Digital Corp. (WDC US), a maker of hard drives, and Teradyne Inc. (TER US), a maker of testing equipment for electronics, to “neutral” from “buy.”

Hyperdynamics Corp. (HDY US) rallied 21 percent to $1.74 after rising to $1.98 earlier, the highest intraday price since May 2008. The exploration partner with Dana Petroleum Plc in Guinea said its concessions in the West African nation may hold about 2.3 billion barrels of prospective oil resources.

JA Solar Holdings Co. (JASO US) rose 8.8 percent to $7.05 after rallying to $7.20 earlier, the highest intraday price since October 2008. The Chinese manufacturer of solar cells announced supply agreements to provide more than 500 megawatts of solar cells to customers.

MGM Resorts International (MGM US) jumped 6.5 percent to $10.19 after climbing to $10.20 earlier, the highest intraday price since Aug. 19. The biggest casino operator on the Las Vegas Strip was raised to “buy” from “hold” at Soleil Securities Corp. with a 12-month price estimate of $14 a share.

Microtune Inc. (TUNE US) rallied 18 percent to $2.92 after rising as much as 19 percent, the most intraday since Jan. 4. The maker of radio tuners and amplifiers agreed to be bought by Zoran Corp. (ZRAN US) for $2.92 in cash, or $166 million.

Navistar International Inc. (NAV US) fell 4.1 percent to $42.55 after sinking 6.2 percent earlier, the most intraday since Aug. 11. The maker of commercial and military vehicles reported third-quarter revenue that fell short of the average analyst estimate in a Bloomberg survey and lowered its full-year revenue forecast.

New York Times Co. (NYT US) jumped 5.4 percent to $8.18, after gaining as much as 8 percent, the most intraday since June 10. Shares of the newspaper publisher rose on renewed takeover speculation, the Theflyonthewall.com reported.

Phillips-Van Heusen Corp. (PVH US) rose the most in the Russell 1000 Index, climbing 8.6 percent to $54.82. The clothing maker increased its full-year forecast, saying it expects to earn as much as $3.80 a share excluding some items. The company had previously projected $3.65 at most.

Silicon Laboratories Inc. (SLAB US) plunged 6.4 percent to $36.01 for the biggest drop in the Russell 1000 Index. The designer of integrated circuits for mobile phones cut its third- quarter revenue forecast to $118 million to $122 million and said earnings for the quarter would fall short of the average analyst estimate.

Skilled Healthcare Group Inc. (SKH US) jumped 21 percent to $4.24 after rallying to $4.59 earlier, the highest intraday price since July 6. The operator of nursing and assisted-living homes settled a lawsuit over staffing in its California nursing homes.

Staples Inc. (SPLS US) gained 3 percent to $19.24. The world’s largest office-supply retailer was raised to “buy” from “neutral” at Goldman Sachs Group Inc. and was added to the firm’s conviction buy list.

Talbots Inc. (TLB US) fell 5.3 percent to $10.52 after sinking as much as 10 percent, the most intraday since June 8. The women’s clothing retailer forecast third-quarter profit excluding some items of 22 cents to 28 cents a share, compared with an average analyst estimate of 30 cents in a Bloomberg survey.

UDR Inc. (UDR US) slipped 4.5 percent to $20.56 after losing as much as 4.8 percent, the most intraday since July 16. The apartment real estate investment trust said it will buy five operating communities and one pre-sale venture for $455.1 million.

Visa Inc. (V US) decreased 2.8 percent to $69.50 for the third-biggest retreat in the S&P 500. The world’s biggest payments network was cut to “underperform” from “neutral” by Bank of America Corp.

Wet Seal Inc. (WTSLA US) rose 4.7 percent to $3.34. The apparel chain for teenage girls said it plans to buy back as much as $25 million of shares.

ZymoGenetics Inc. (ZGEN US) surged 84 percent to $9.73 for the biggest advance in Russell 2000 Index. The Seattle-based developer of treatments for cancer and autoimmune diseases agreed to be bought by Bristol-Myers Squibb Co. (BMY US) for $9.75 a share, or $885 million.

Three women have told the New York Times that music mogul Russell Simmons raped them, the latest in a cascade of serious allegations of sexual misconduct against powerful men in entertainment, media, politics and elsewhere.

Last month, Texas-based Cold River Records filed a lawsuit against the company’s former artist, alleging Armiger’s on-air commentary constituted a breach of a non-disparagement agreement included in the settlement of a previous 2016 lawsuit between the two parties.